Hi, I have a 1991 300sl and my problem is that when you open the drivers door the interior lights do not go on. When you open the passenger door they do go on. Any information would be greatly appreciated.

thanks Drew

Have you check the warning module relay ???
diode inside the relay must burned.
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MB STARS Master Guild Technician,12 years MB tech
5 years independent shop owner


[This message has been edited by MB STARS (edited 08-10-1999).]

The warning buzzer/relay is behind the passenger air bag.

I have the same symptom in my 1989 300E, and I'm sure it is not caused by a faulty switch on the door pillar -- I have removed the switch and brought the 2 wires together, but the light did not go on. Where should I check next please? Thanks for your advice.

On the 124 the warning buzzer module is located behind the instrument cluster.

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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

J. Ko,

Same here. Never thought there will be such a excellent website when I "accidently" came across this one. MB Doc, Lee, all other great ppl have teach me alot of lessons.

Learn new things everyday......
Andy Kuo
'92 400SE

I had the same problem on the wife's 560SL. It was the diode in the warning module.

BTW, in the 560SL it also diabled the alarm for the driver's door! It also now works correctly after replacing the diode.

Bob Cavazos

Where is the warning module in the 560SEL? Please advise? Thanks in advance.

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1989 560SEL
1971 Cutlass convt. (sold)
1978 Olds Toronado (sold)
the rest are boring